| 				 					數(shù)字示波器 			 | 							 					GDS-3152 			 | 							 					GDS-3154 			 | 							 					GDS-3252 			 | 							 					GDS-3254 			 | 							 					GDS-3352 			 | 							 					GDS-3354 			 | 		
					| 				 					Vertical  			 | 		
					| 				 					Input Channels 			 | 							 					2Ch+EXT 			 | 							 					4Ch+EXT 			 | 							 					2Ch+EXT 			 | 							 					4Ch+EXT 			 | 							 					2Ch+EXT 			 | 							 					4Ch+EXT 			 | 		
					| 				 					Bandwidth 			 | 							 					DC~150MHz(-3dB) 			 | 							 					DC~250MHz(-3dB) 			 | 							 					DC~350MHz(-3dB) 			 | 		
					| 				 					Rise Time 			 | 							 					2.3ns 			 | 							 					1.4ns 			 | 							 					1ns 			 | 		
					| 				 					Vertical Resolution 			 | 							 					8 bits 			 | 		
					| 				 					Vertical Resolution@ 1MΩ 			 | 							 					2mV~5V/div 			 | 		
					| 				 					Vertical Resolution@ 50/75Ω 			 | 							 					2mV~1V/div 			 | 		
					| 				 					Input Coupling 			 | 							 					AC DC GND 			 | 		
					| 				 					Input Impedance 			 | 							 					1MΩ// 16pF 			 | 		
					| 				 					DC Gain Accuracy 			 | 							 					±(3% X |reading| + 0.1div+ 1mV) 			 | 		
					| 				 					Polarity 			 | 							 					Normal and inverted 			 | 		
					| 				 					Maximum Input Impedance @1MΩ 			 | 							 					300V (DC+AC peak) CAT I 			 | 		
					| 				 					Maximum Input Impedance @50/75Ω 			 | 							 					5 Vrms CAT I 			 | 		
					| 				 					OffsetPositionRange 			 | 							 					2mV/div ~ 100mV/div: ±0.5V 					200mV/div ~ 5V/div: ±25V 			 | 		
					| 				 					Bandwidth Limit 			 | 							 					20MHz (-3dB) 			 | 							 					100MHz (-3dB) 			 | 							 					200MHz (-3dB) 			 | 		
					| 				 					Waveform Signal Processing 			 | 							 					Addition Subtraction multiplication division FFT FFTrms 			 | 		
					| 				 					Trigger  			 | 		
					| 				 					Source 			 | 							 					Dual channel: CH1 CH2 Line Ext ; 4 channel: CH1 CH2 CH3 CH4 Line Ext 			 | 		
					| 				 					Trigger Mode 			 | 							 					Auto (Auto (supports Roll Mode for 100 ms/div and slower) Normal Single 			 | 		
					| 				 					Trigger Type 			 | 							 					Edge Pulse Width Video Runt Rise & Fall Alternative Event-Delay (1~65535) events Time-Delay(10nS~10S) I2C SPI UART 			 | 		
					| 				 					TriggerHold-off Range 			 | 							 					10ns~10s 			 | 		
					| 				 					Coupling 			 | 							 					AC DC LF rej HF rej Noise rej 			 | 		
					| 				 					Sensitivity 			 | 							 					DC~50MHz approx. 1div or 1.0mV 					50MHz~150MHz approx. 1.5div or 15mV 					150MHz~350MHz approx. 2div or 20mV 			 | 		
					| 				 					EXT Trigger  			 | 		
					| 				 					Range 			 | 							 					±15V 			 | 		
					| 				 					Sensitivity 			 | 							 					DC~150MHz pprox.100mV 					150MHz~250MHz approx. 150mV 					250MHz~350MHz approx. 150mV 			 | 		
					| 				 					Input Impedance 			 | 							 					1MΩ±3% ~16pF 			 | 		
					| 				 					Horizontal  			 | 		
					| 				 					Range 			 | 							 					1ns/div~100s/div (1-2-5steps); ROLL: 100ms/div~100s/div 			 | 		
					| 				 					Pre-Trigger 			 | 							 					10div maximum 			 | 		
					| 				 					Post-Trigger 			 | 							 					1000div 			 | 		
					| 				 					Accuracy 			 | 							 					±20 ppm over any ≧1 ms time interval 			 | 		
					| 				 					Signal Acquisition System  			 | 		
					| 				 					Real Time Sample Rate 			 | 							 					2.5GSa/s 			 | 							 					5GSa/s 			 | 							 					2.5GSa/s 			 | 							 					5GSa/s 			 | 							 					5GSa/s 			 | 							 					5GSa/s 			 | 		
					| 				 					Equivalent Time Sample Rate 			 | 							 					100GSa/s maximum for all models 			 | 		
					| 				 					Record Length 			 | 							 					25k points 			 | 		
					| 				 					Acquisition Mode 			 | 							 					Normal Average Peak Detect High resolution Single 			 | 		
					| 				 					  			 | 							 					Normal: Acquire sampled values 			 | 		
					| 				 					  			 | 							 					Average: From 2 to 256 waveforms included in average 			 | 		
					| 				 					  			 | 							 					Peak Detect: Catches glitches as narrow as 2ns at all sweep speeds 			 | 		
					| 				 					  			 | 							 					Hi Res: Real-time boxcar averaging reduces random noise and increases vertical resolution 			 | 		
					| 				 					X-Y Mode  			 | 		
					| 				 					X-axis input 			 | 							 					Channel 1; Channel 3 			 | 		
					| 				 					Y-axis input 			 | 							 					Channel 2; Channel 4 			 | 		
					| 				 					Phase Shift 			 | 							 					±3° at 100kHz 			 | 		
					| 				 					Cursors and Measurement  			 | 		
					| 				 					Cursors 			 | 							 					Amplitude Time Gating available 			 | 		
					| 				 					Automatic Measurement 			 | 							 					28 sets: Vpp Vamp Vavg Vrms Vhi Vlo Vmax Vmin Rise Preshoot/ Overshoot Fall Preshoot/Overshoot Freq Period Rise Time Fall Time Positive Width Negative Width Duty Cycle Phase eight different delay measurements (FRR FRF FFR FFF LRR LRF LFR LFF) 			 | 		
					| 				 					Cursors Measurement 			 | 							 					 ∆V ∆T 			 | 		
					| 				 					Auto Counter 			 | 							 					6digits range from 2Hz minimum to the rated bandwidth 			 | 		
					| 				 					Power Measurements (optional)  			 | 		
					| 				 					Power Quality Measurements 			 | 							 					VRMS V Crest Factor Frequency IRMS I Crest Factor True Power Apparent Power Reactive Power Power Factor Phase Angle. 			 | 		
					| 				 					Harmonics 			 | 							 					Freq Mag Mag rms Phase THD-F THD-R RMS 			 | 		
					| 				 					Ripple Measurements 			 | 							 					Vripple Iripple 			 | 		
					| 				 					In-rush Current 			 | 							 					First peak second peak 			 | 		
					| 				 					Control Panel Functions  			 | 		
					| 				 					Autoset 			 | 							 					Single-button automatic setup of all channels for vertical horizontal and trigger systems with undo autoset 			 | 		
					| 				 					Auto-Range 			 | 							 					Allows users to quickly move from test point to test point without having to reset the oscilloscope for each test point 			 | 		
					| 				 					Save Setup 			 | 							 					20 sets 			 | 		
					| 				 					Save Waveform 			 | 							 					24 sets 			 | 		
					| 				 					Display System  			 | 		
					| 				 					TFT LCD 			 | 							 					8" TFT LCD SVGA color display (LED backlight) 			 | 		
					| 				 					Display Resolution 			 | 							 					800 horizontal × 600 vertical (SVGA) 			 | 		
					| 				 					Interpolation 			 | 							 					Sin(x)/x and equivalent time sampling 			 | 		
					| 				 					Waveform Display 			 | 							 					Dots Vectors Variable persistence infinite persistence 			 | 		
					| 				 					Display Graticule 			 | 							 					8 x 10 divisions 			 | 		
					| 				 					Display Brightness 			 | 							 					Adjustable 			 | 		
					| 				 					Interface  			 | 		
					| 				 					RS-232C port 			 | 							 					DB-9port 			 | 		
					| 				 					USB port 			 | 							 					2 sets USB 2.0 high-speed host port; 1setUSB 2.0 high speed device port 			 | 		
					| 				 					Ethernet 			 | 							 					RJ-45 port 10/100Mbps 			 | 		
					| 				 					VGAVideoPort 			 | 							 					DB-15port SVGA monitor output 			 | 		
					| 				 					Line Output 			 | 							 					3.5mmstereo output jack for Go/NoGo audio alarm 			 | 		
					| 				 					GPIB(Optional) 			 | 							 					USB to GPIB converter 			 | 		
					| 				 					Go/NoGo BNC 			 | 							 					Maximum 5V /10mA TTL open collector ouput 			 | 		
					| 				 					Kensington Style Lock 			 | 							 					Rear panel security slot connects to standard Kensington style lock 			 | 		
					| 				 					Power Source  			 | 		
					| 				 					LineVoltageRange 			 | 							 					AC 100V ~ 240V 48Hz ~ 63Hz Auto selection 			 | 		
					| 				 					Miscellaneous 			 | 		
					| 				 					Multi-language Menu 			 | 							 					Available 			 | 		
					| 				 					On-line Help 			 | 							 					Available 			 | 		
					| 				 					Time clock 			 | 							 					Time and Data Provide the Data/Time for saved data 			 | 		
					| 				 					Dimensions and Weight 			 | 							 					400(W) x 200(H) x 130(D) approx. 4 kg. 			 |